QuantumLeaps · mikael-s-persson · May 31, 2026 · Jun 8, 2026
diff --git a/3rd_party b/3rd_party
diff --git a/examples b/examples
diff --git a/include/qp.h b/include/qp.h
@@ -135,7 +135,7 @@ bool QEvt_verify_(QEvt const * const me);
 typedef struct {
     QEvt const *e;
 } QEvtPtr;
-#endif
+#endif // QEQUEUE_HPP_
 
 #define QEVT_DYNAMIC           ((uint8_t)0)
 #define Q_EVT_CAST(class_)     ((class_ const *)(e))
@@ -691,7 +691,7 @@ void QF_onCleanup(void);
 #endif // def QF_ON_CONTEXT_SW
 
 static inline QPrioSpec Q_PRIO(uint8_t const prio, uint8_t const pthre) {
-    // combine the QF prio. preemption-threshld pthre in the upper byte
+    // combine the QF prio. preemption-threshold pthre in the upper byte
     return (QPrioSpec)((uint32_t)prio | ((uint32_t)pthre << 8U));
 }
 

diff --git a/ports/arm-cr/qk/gnu/qp_port.h b/ports/arm-cr/qk/gnu/qp_port.h
@@ -94,70 +94,63 @@
 // QK-specific Interrupt Request handler BEGIN
 #ifdef __ARM_FP
 #define QK_IRQ_BEGIN(name_)                    \
-    void name_(void)                           \
-    __attribute__ ((interrupt ("irq")));       \
+    void name_##_isr(void);                    \
     __attribute__ ((naked)) void name_(void) { \
-    __asm volatile (" SUB LR, LR, #4\n"        \
+    __asm volatile(" SUB LR, LR, #4\n"         \
     " SRSDB #31!\n"                            \
     " CPS #31\n"                               \
     " PUSH {R0-R3, R12}");                     \
-    __asm(" FMRX R12, FPSCR\n"                 \
+    __asm(" VMRS R12, FPSCR\n"                 \
     " STMFD SP!, {R12}\n"                      \
-    " FMRX R12, FPEXC\n"                       \
+    " VMRS R12, FPEXC\n"                       \
     " STMFD SP!, {R12}\n"                      \
-    " FSTMDBD SP!, {D0-D7}");                  \
-    __asm(" AND R3, SP, #4\n"                  \
+    " VSTMDB SP!, {D0-D7}");                   \
+    __asm volatile(" AND R3, SP, #4\n"         \
     " SUB SP, SP, R3\n"                        \
-    " PUSH {R3, LR}\n");                       \
+    " PUSH {R3, LR}\n"                         \
+    " blx " #name_ "_isr \n"                   \
+    " POP {R3, LR}\n"                          \
+    " ADD SP, SP, R3");                        \
+    __asm(" VLDMIA SP!, {D0-D7}\n"             \
+    " LDMFD SP!, {R12}\n"                      \
+    " VMSR FPEXC, R12 \n"                      \
+    " LDMFD SP!, {R12} \n"                     \
+    " VMSR FPSCR, R12");                       \
+    __asm volatile(" POP {R0-R3, R12}\n"       \
+    " RFEIA SP!");                             \
+    }                                          \
+    void name_ ## _isr(void) {                 \
     ++QK_priv_.intNest; {
 #else
 #define QK_IRQ_BEGIN(name_)                    \
-    void name_(void)                           \
-    __attribute__ ((target ("arm")));          \
+    void name_##_isr(void);                    \
     __attribute__ ((naked)) void name_(void) { \
-    __asm volatile (" SUB LR, LR, #4\n"        \
+    __asm volatile(" SUB LR, LR, #4\n"         \
     " SRSDB #31!\n"                            \
     " CPS #31\n"                               \
     " PUSH {R0-R3, R12}");                     \
-    __asm(" AND R3, SP, #4\n"                  \
+    __asm volatile(" AND R3, SP, #4\n"         \
     " SUB SP, SP, R3\n"                        \
-    " PUSH {R3, LR}\n");                       \
+    " PUSH {R3, LR}\n"                         \
+    " blx " #name_ "_isr \n"                   \
+    " POP {R3, LR}\n"                          \
+    " ADD SP, SP, R3");                        \
+    __asm volatile(" POP {R0-R3, R12}\n"       \
+    " RFEIA SP!");                             \
+    }                                          \
+    void name_ ## _isr(void) {                 \
     ++QK_priv_.intNest; {
 #endif
 
 // QK-specific Interrupt Request handler END
-#ifdef __ARM_FP
-#define QK_IRQ_END()                  \
-    } --QK_priv_.intNest;             \
-    if (QK_priv_.intNest == 0U) {     \
-        if (QK_sched_() != 0U) {      \
-            QK_activate_();           \
-        }                             \
-    }                                 \
-    __asm volatile (" POP {R3, LR}\n" \
-    " ADD SP, SP, R3");               \
-    __asm(" FLDMIAD SP!, {D0-D7}\n"   \
-    " LDMFD SP!, {R12}\n"             \
-    " FMXR FPEXC, R12 \n"             \
-    " LDMFD SP!, {R12} \n"            \
-    " FMXR FPSCR, R12");              \
-    __asm(" POP {R0-R3, R12}\n"       \
-    " RFEIA SP!");                    \
-}
-#else
-#define QK_IRQ_END()                  \
-    } --QK_priv_.intNest;             \
-    if (QK_priv_.intNest == 0U) {     \
-        if (QK_sched_() != 0U) {      \
-            QK_activate_();           \
-        }                             \
-    }                                 \
-    __asm volatile (" POP {R3, LR}\n" \
-    " ADD SP, SP, R3");               \
-    __asm volatile (" POP {R0-R3, R12}\n" \
-    " RFEIA SP!");                    \
+#define QK_IRQ_END()              \
+    } --QK_priv_.intNest;         \
+    if (QK_priv_.intNest == 0U) { \
+        if (QK_sched_() != 0U) {  \
+            QK_activate_();       \
+        }                         \
+    }                             \
 }
-#endif
 
 // include files -------------------------------------------------------------
 #include "qequeue.h"   // QK kernel uses the native QP event queue

diff --git a/ports/msp430/qutest/qp_port.h b/ports/msp430/qutest/qp_port.h
@@ -44,8 +44,8 @@
 
 // QActive event queue type
 #define QACTIVE_EQUEUE_TYPE  QEQueue
-// QACTIVE_OS_OBJ_TYPE not used in this port
-// QACTIVE_THREAD_TYPE not used in this port
+// QACTIVE_OS_OBJ_TYPE   not used in this port
+// QACTIVE_THREAD_TYPE   not used in this port
 
 // QF critical section
 #define QF_CRIT_STAT         QCritStatus critStat_;
@@ -85,10 +85,10 @@
 // QMPool operations
 #define QF_EPOOL_TYPE_  QMPool
 #define QF_EPOOL_INIT_(p_, poolSto_, poolSize_, evtSize_) \
-        (QMPool_init(&(p_), (poolSto_), (poolSize_), (evtSize_)))
+    (QMPool_init(&(p_), (poolSto_), (poolSize_), (evtSize_)))
 #define QF_EPOOL_EVENT_SIZE_(p_)  ((uint16_t)(p_).blockSize)
 #define QF_EPOOL_GET_(p_, e_, m_, qsId_) \
-        ((e_) = (QEvt *)QMPool_get(&(p_), (m_), (qsId_)))
+    ((e_) = (QEvt *)QMPool_get(&(p_), (m_), (qsId_)))
 #define QF_EPOOL_PUT_(p_, e_, qsId_) (QMPool_put(&(p_), (e_), (qsId_)))
 #define QF_EPOOL_USE_(ePool_)   (QMPool_getUse(ePool_))
 #define QF_EPOOL_FREE_(ePool_)  ((uint16_t)(ePool_)->nFree)

diff --git a/ports/posix-qv/qf_port.c b/ports/posix-qv/qf_port.c
@@ -197,10 +197,6 @@ void QF_init(void) {
 
 //............................................................................
 int QF_run(void) {
-    l_isRunning = true; // QF is running
-
-    QF_onStartup(); // application-specific startup callback
-
     QF_CRIT_STAT
     // system clock tick configured?
     if ((l_tick.tv_sec != 0) || (l_tick.tv_nsec != 0)) {
@@ -243,13 +239,20 @@ int QF_run(void) {
         pthread_attr_destroy(&attr);
     }
 
-    // the combined event-loop and background-loop of the QV kernel
     QF_CRIT_ENTRY();
 
     // produce the QS_QF_RUN trace record
     QS_BEGIN_PRE(QS_QF_RUN, 0U)
     QS_END_PRE()
 
+    l_isRunning = true; // QF is running
+
+    // Application callback: configure and enable individual interrupts.
+    // NOTE: called within critical section and returns also in
+    // critical section.
+    QF_onStartup();
+
+    // the combined event-loop and background-loop of the QV kernel
     while (l_isRunning) {
         // find the maximum priority AO ready to run
         if (QPSet_notEmpty(&QF_readySet_)) {

diff --git a/ports/posix/qf_port.c b/ports/posix/qf_port.c
@@ -156,13 +156,15 @@ void QF_init(void) {
 
 //............................................................................
 int QF_run(void) {
-
-    QF_onStartup(); // application-specific startup callback
-
     // produce the QS_QF_RUN trace record
     QS_BEGIN_PRE(QS_QF_RUN, 0U)
     QS_END_PRE()
 
+    // Application callback: configure and enable individual interrupts.
+    // NOTE: called within critical section and returns also in
+    // critical section.
+    QF_onStartup();
+
     // try to set the priority of the ticker thread, see NOTE01
     struct sched_param sparam;
     sparam.sched_priority = l_tickPrio;

diff --git a/ports/win32-qv/qf_port.c b/ports/win32-qv/qf_port.c
@@ -105,16 +105,13 @@ void QF_init(void) {
 
 //............................................................................
 int QF_run(void) {
-    l_isRunning = true; // QF is running
-
-    QF_onStartup(); // application-specific startup callback
+    QF_CRIT_STAT
 
     if (l_tickMsec != 0U) { // system clock tick configured?
         // create the ticker thread...
         HANDLE ticker = CreateThread(NULL, 1024, &ticker_thread,
                                     (void *)0, 0U, NULL);
 #ifndef Q_UNSAFE
-        QF_CRIT_STAT
         QF_CRIT_ENTRY();
         Q_ASSERT_INCRIT(310, ticker != 0); // thread must be created
         QF_CRIT_EXIT();
@@ -123,13 +120,20 @@ int QF_run(void) {
 #endif
     }
 
-    // the combined event-loop and background-loop of the QV kernel
     QF_CRIT_ENTRY();
 
     // produce the QS_QF_RUN trace record
     QS_BEGIN_PRE(QS_QF_RUN, 0U)
     QS_END_PRE()
 
+    l_isRunning = true; // QF is running
+
+    // Application callback: configure and enable individual interrupts.
+    // NOTE: called within critical section and returns also in
+    // critical section.
+    QF_onStartup();
+
+    // the combined event-loop and background-loop of the QV kernel
     while (l_isRunning) {
         // find the maximum priority AO ready to run
         if (QPSet_notEmpty(&QF_readySet_)) {

diff --git a/ports/win32/qf_port.c b/ports/win32/qf_port.c
@@ -83,13 +83,15 @@ void QF_init(void) {
 
 //............................................................................
 int QF_run(void) {
-
-    QF_onStartup(); // application-specific startup callback
-
     // produce the QS_QF_RUN trace record
     QS_BEGIN_PRE(QS_QF_RUN, 0U)
     QS_END_PRE()
 
+    // Application callback: configure and enable individual interrupts.
+    // NOTE: called within critical section and returns also in
+    // critical section.
+    QF_onStartup();
+
     // leave the startup critical section to unblock any active objects
     // started before calling QF_run()
     LeaveCriticalSection(&l_startupCritSect);

diff --git a/qpc_8.1.4.sha1 b/qpc_8.1.4.sha1
@@ -1,10 +1,10 @@
 415c9497e960505621981cce10caa97f7f78b2f2 *include/qequeue.h
 4f34d5d0731b1da95dd7ec39245e5488ab374ac7 *include/qk.h
 58d7d73db5b4cef3e86dccd72172f28eb64b4a06 *include/qmpool.h
-538d674e18bc76b558cb38a9a60ff98b8141af8e *include/qp.h
+87ccac6a2b7157d085405b22e821fd4bd7145a56 *include/qp.h
 eaf730fa09118db437cd3caae1ecd0fb8c299cb3 *include/qp_pkg.h
 dd82e56b9e863b74bd172e03a6c560a72b02d74b *include/qpc.h
-855b5bd933e283dd8992094209a4d51126ff5b02 *include/qs.h
+6ab1db4443714cf586c104b2c94d999ddc8eb4eb *include/qs.h
 4d9e6f4d3159115258df88542781b982334c82db *include/qs_dummy.h
 cea714eda1396e1df5044e7b4904db7d2b619419 *include/qs_pkg.h
 c905acdf025518fc0696cdc0e8299c92abce0afa *include/qsafe.h
@@ -26,17 +26,17 @@ fac89d08e161dd10a803ed9536287f2e641c06b4 *src/qf/qf_qeq.c
 8f5b2a0ed1cb810dabcd80d1b4b06d2a9e850cd1 *src/qf/qf_qmact.c
 20ccb16d03792afcb0627c22f20406580db3f8aa *src/qf/qf_time.c
 878a737efe234f40dc8c9374acc351e510b4da1e *src/qk/CMakeLists.txt
-660262c0d790e2c7fa5c825a05b10c6429f94d80 *src/qk/qk.c
+06b06ca8757da7172e0bde220fddc508775eb7a0 *src/qk/qk.c
 68c99a2991d25df7486e57edadaa955b2bda396d *src/qs/CMakeLists.txt
 e631ac41a64d6443ce386793c116339fef9c4e8c *src/qs/qs.c
 b9682b2e5c73987ac777f10db5dd6a6fee2e59fd *src/qs/qs_64bit.c
 8a96a1a0c2072cdbd49326893fdd7951e075c39e *src/qs/qs_fp.c
 9360fe3708bbf71d2f5485934aec8ee718fc3e9d *src/qs/qs_rx.c
 d1dd4fc7efd0c7ef0fc85107a00dc822cb82bf44 *src/qs/qstamp.c
-838b62c0c1504bb4924a5dff8af520693981c45e *src/qs/qutest.c
+d4fa86b9da43b4b16fa914088b19660b285d9705 *src/qs/qutest.c
 b1d2def9b8f6cde464170af7682ab0f01f4f40f6 *src/qv/CMakeLists.txt
-796fdf04d572ad8d5587ba2f1dbc4804c0a0af04 *src/qv/qv.c
-05977989921b57261a7efc8f72be53e924794776 *src/qxk/qxk.c
+bc75c839375eed8a8ab6493d304ee714480d631d *src/qv/qv.c
+587594ef2bd224b9352c4e6c5d0429b22eeeeef5 *src/qxk/qxk.c
 364d41c441cae7a61a9265c3c184c037f93d5b12 *src/qxk/qxk_mutex.c
 3b1cf83b8cd92de9150fb0627420335e71c88287 *src/qxk/qxk_sema.c
 186c95ebd095bc5a786a44d7e7b26a544de47a1d *src/qxk/qxk_xthr.c
@@ -90,7 +90,7 @@ bca97bafbcf543d5f9a620817d6166828e0ccd09 *ports/msp430/qk/qp_port.h
 becde567ef7edc053a98b11f210d956505e30314 *ports/msp430/qk/qs_port.h
 fe088835c9143e4dbdf2b7df6743fadfeaf7abb9 *ports/msp430/qv/qp_port.h
 becde567ef7edc053a98b11f210d956505e30314 *ports/msp430/qv/qs_port.h
-149bbb9052c87e8014aafd1c01df921120e4054b *ports/msp430/qutest/qp_port.h
+29963f81986ea360830cf69e2c1addcf81c04656 *ports/msp430/qutest/qp_port.h
 becde567ef7edc053a98b11f210d956505e30314 *ports/msp430/qutest/qs_port.h
 869086d28e651a579c7c6c5e15a9e2f340eaeb07 *ports/config/qp_config.h
 2ee7f5594f6121705bbc57145175b5c5867e0070 *ports/embos/CMakeLists.txt
@@ -119,14 +119,14 @@ cf5ae73fce95883254c01cd67e4fbebdc60f3323 *ports/qep-only/qp_port.h
 5a58249c986a9fb10fba89f3de6021603027cc2c *ports/qep-only/qs_port.h
 5c9f762b06e3324a581cbc0aab002dadfa22990a *ports/qep-only/safe_std.h
 5d7914dfaf44a9c2552afdd5d8de4cfc3ebbc22a *ports/posix/CMakeLists.txt
-d00d22d47891feab1da478f6a7b2360a3278db9b *ports/posix/qf_port.c
+9c89901be1f42f280ed98ae1368294eb96860e49 *ports/posix/qf_port.c
 b867bc161b8c6a48d94f223b74773058fb16364e *ports/posix/qp_port.h
 2c2758d24a79590fa52b858e231912a8112d5805 *ports/posix/qs_port.c
 88b29cc261241229a3918aa05538f96dfce167c9 *ports/posix/qs_port.h
 6e33b2e5092d117f58c47b632c59420f382ac39f *ports/posix/README.md
 5c9f762b06e3324a581cbc0aab002dadfa22990a *ports/posix/safe_std.h
 039b1e4066eb7eeac3233070ad6aa2cd9f6d1c69 *ports/posix-qv/CMakeLists.txt
-5c4cdfe7334ee8a6ec7e3f1214f3131aa6507a4b *ports/posix-qv/qf_port.c
+565565e29efe1987ec27c5acea9b0c8822a6230a *ports/posix-qv/qf_port.c
 391cd7a75b2e5627a8587ecffc7891a6450cc74c *ports/posix-qv/qp_port.h
 2c2758d24a79590fa52b858e231912a8112d5805 *ports/posix-qv/qs_port.c
 88b29cc261241229a3918aa05538f96dfce167c9 *ports/posix-qv/qs_port.h
@@ -138,7 +138,7 @@ d2f71922e2d31e7b8fee9dab1e4a3f49b5edbf98 *ports/posix-qutest/qp_port.h
 60ed43cb4719c232a696258ce35b09def076cf9d *ports/posix-qutest/qutest_port.c
 5c9f762b06e3324a581cbc0aab002dadfa22990a *ports/posix-qutest/safe_std.h
 cfea17ea9ab718e9e4f506e90c4b2fc8c1fea858 *ports/win32/CMakeLists.txt
-01da77b0bc844561fc6e9882af6124028e9ca693 *ports/win32/qf_port.c
+f2c4d531e9c7127d28b80d25e5acb0697c784666 *ports/win32/qf_port.c
 b2ea286d532aec4161461e1247fab19d8a417ec3 *ports/win32/qp_port.h
 b2f357a5878acc5150557bfc15fc822bb8f8281d *ports/win32/qs_port.c
 5a58249c986a9fb10fba89f3de6021603027cc2c *ports/win32/qs_port.h
@@ -147,7 +147,7 @@ a49f284a53d6dd128390ae9eb536ef5756cc577d *ports/win32/qwin_gui.h
 3781ccdce31dea9d08493a801926eb278950786f *ports/win32/README.md
 5c9f762b06e3324a581cbc0aab002dadfa22990a *ports/win32/safe_std.h
 8d589868e287ceb185b4837064c80d4eed8e1a44 *ports/win32-qv/CMakeLists.txt
-be8de97bfdb7151b15c77fa02553789af79c5eb0 *ports/win32-qv/qf_port.c
+b518c527308292e24e8a5200fae38c6f90dd49a3 *ports/win32-qv/qf_port.c
 61528fe45f7dfe1f2276e0a6dff60f8f34bb0122 *ports/win32-qv/qp_port.h
 b2f357a5878acc5150557bfc15fc822bb8f8281d *ports/win32-qv/qs_port.c
 5a58249c986a9fb10fba89f3de6021603027cc2c *ports/win32-qv/qs_port.h
@@ -156,7 +156,7 @@ a49f284a53d6dd128390ae9eb536ef5756cc577d *ports/win32-qv/qwin_gui.h
 b57cec85e2fe5c261270f68acc3ae440802a62bd *ports/win32-qv/README.md
 5c9f762b06e3324a581cbc0aab002dadfa22990a *ports/win32-qv/safe_std.h
 a04f13d2d9f24ef71d95f997d87f8a3ba9862e45 *ports/win32-qutest/CMakeLists.txt
-33c65a7b736cb95e390932e39debee0f43f0b2d3 *ports/win32-qutest/qp_port.h
+84548e22a1a1c2e9bff55be9489619a498eb9066 *ports/win32-qutest/qp_port.h
 5a58249c986a9fb10fba89f3de6021603027cc2c *ports/win32-qutest/qs_port.h
 9e557325d08cfd94f541372b0de2bab6d379d3e5 *ports/win32-qutest/qutest_port.c
 5c9f762b06e3324a581cbc0aab002dadfa22990a *ports/win32-qutest/safe_std.h

diff --git a/src/qk/qk.c b/src/qk/qk.c
@@ -327,10 +327,12 @@ int_t QF_run(void) {
         QK_activate_();
     }
 
-    QF_INT_ENABLE();
-
-    QF_onStartup(); // app. callback: configure and enable interrupts
+    // Application callback: configure and enable individual interrupts.
+    // NOTE: called with interrupts disabled and returns also with
+    // interrupts disabled
+    QF_onStartup();
 
+    QF_INT_ENABLE();
     for (;;) { // QK idle loop...
         QK_onIdle(); // application-specific QK idle callback
     }

diff --git a/src/qv/qv.c b/src/qv/qv.c
@@ -129,11 +129,11 @@ int_t QF_run(void) {
 
 #endif // (defined QF_ON_CONTEXT_SW) || (defined Q_SPY)
 
-    QF_INT_ENABLE();
+    // Application callback: configure and enable individual interrupts.
+    // NOTE: called with interrupts disabled and returns also
+    // with interrupts disabled
+    QF_onStartup();
 
-    QF_onStartup(); // app. callback: configure and enable interrupts
-
-    QF_INT_DISABLE();
     for (;;) { // QV event-loop...
         // find the maximum prio. AO ready to run
         uint_fast8_t const p = (QPSet_notEmpty(&QV_priv_.readySet)
+32 −32		efm32pg1b/gnu/startup_efm32pg1b.c
+32 −32		ek-lm3s6965/gnu/startup_LM3S6965.c
+32 −32		ek-tm4c123gxl/gnu/startup_TM4C123GH6PM.c
+32 −32		mbed-lpc1768/gnu/startup_LPC17xx.c
+16 −16		nucleo-c031c6/gnu/startup_stm32c031xx.c
+16 −16		nucleo-f401re/gnu/startup_stm32f4xx.c
+16 −16		nucleo-h743zi/gnu/startup_stm32h743xx.c
+16 −16		nucleo-l053r8/gnu/startup_stm32l053xx.c
+16 −16		nucleo-l152re/gnu/startup_stm32l1xx.c
+16 −16		nucleo-u545re/gnu/startup_stm32u545retxq.c
+1 −1		nucleo-u545re/iar/startup_stm32u545retxq.s
+16 −16		stm32f4-discovery/gnu/startup_stm32f4xx.c